| | | 1 | | // Licensed to the .NET Foundation under one or more agreements. |
| | | 2 | | // The .NET Foundation licenses this file to you under the MIT license. |
| | | 3 | | |
| | | 4 | | using System; |
| | | 5 | | using System.Collections.Generic; |
| | | 6 | | using System.Collections.ObjectModel; |
| | | 7 | | using System.Diagnostics; |
| | | 8 | | using System.Linq; |
| | | 9 | | using System.Linq.Expressions; |
| | | 10 | | using System.Reflection; |
| | | 11 | | using CoreWCF.Collections.Generic; |
| | | 12 | | using CoreWCF.Dispatcher; |
| | | 13 | | using CoreWCF.Runtime; |
| | | 14 | | using Microsoft.Extensions.DependencyInjection; |
| | | 15 | | |
| | | 16 | | namespace CoreWCF.Description |
| | | 17 | | { |
| | | 18 | | public class ServiceDescription |
| | | 19 | | { |
| | | 20 | | private string _configurationName; |
| | | 21 | | private XmlName _serviceName; |
| | | 22 | | |
| | 1182 | 23 | | public ServiceDescription() { } |
| | | 24 | | |
| | 0 | 25 | | public ServiceDescription(IEnumerable<ServiceEndpoint> endpoints) : this() |
| | | 26 | | { |
| | 0 | 27 | | if (endpoints == null) |
| | | 28 | | { |
| | 0 | 29 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(endpoints)); |
| | | 30 | | } |
| | | 31 | | |
| | 0 | 32 | | foreach (ServiceEndpoint endpoint in endpoints) |
| | | 33 | | { |
| | 0 | 34 | | Endpoints.Add(endpoint); |
| | | 35 | | } |
| | 0 | 36 | | } |
| | | 37 | | |
| | | 38 | | public string Name |
| | | 39 | | { |
| | | 40 | | get |
| | | 41 | | { |
| | 26 | 42 | | if (_serviceName != null) |
| | | 43 | | { |
| | 2 | 44 | | return _serviceName.EncodedName; |
| | | 45 | | } |
| | 24 | 46 | | else if (ServiceType != null) |
| | | 47 | | { |
| | 24 | 48 | | return NamingHelper.XmlName(ServiceType.Name); |
| | | 49 | | } |
| | | 50 | | else |
| | | 51 | | { |
| | 0 | 52 | | return NamingHelper.DefaultServiceName; |
| | | 53 | | } |
| | | 54 | | } |
| | | 55 | | set |
| | | 56 | | { |
| | 4 | 57 | | if (string.IsNullOrEmpty(value)) |
| | | 58 | | { |
| | 0 | 59 | | _serviceName = null; |
| | | 60 | | } |
| | | 61 | | else |
| | | 62 | | { |
| | | 63 | | // the XmlName ctor validate the value |
| | 4 | 64 | | _serviceName = new XmlName(value, true /*isEncoded*/); |
| | | 65 | | } |
| | 4 | 66 | | } |
| | | 67 | | } |
| | | 68 | | |
| | 615 | 69 | | public string Namespace { get; set; } = NamingHelper.DefaultNamespace; |
| | | 70 | | |
| | 3617 | 71 | | internal IServiceProvider ServiceProvider { get; set; } |
| | | 72 | | |
| | | 73 | | // This was KeyedByTypeCollection, maybe change to Collection<IServiceBehavior> |
| | 15727 | 74 | | public KeyedByTypeCollection<IServiceBehavior> Behaviors { get; } = new KeyedByTypeCollection<IServiceBehavior>( |
| | | 75 | | |
| | | 76 | | public string ConfigurationName |
| | | 77 | | { |
| | 0 | 78 | | get { return _configurationName; } |
| | | 79 | | set |
| | | 80 | | { |
| | 587 | 81 | | _configurationName = value ?? throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(va |
| | 587 | 82 | | } |
| | | 83 | | } |
| | | 84 | | |
| | 9317 | 85 | | public ServiceEndpointCollection Endpoints { get; } = new ServiceEndpointCollection(); |
| | | 86 | | |
| | 1872 | 87 | | public Type ServiceType { get; set; } |
| | | 88 | | |
| | | 89 | | internal static void AddBehaviors<TService>(ServiceDescription serviceDescription, IEnumerable<IServiceBehavior> |
| | | 90 | | { |
| | 587 | 91 | | TypeLoader<TService>.ApplyServiceInheritance<IServiceBehavior, KeyedByTypeCollection<IServiceBehavior>>( |
| | 587 | 92 | | serviceDescription.Behaviors, GetIServiceBehaviorAttributes); |
| | | 93 | | |
| | 587 | 94 | | if (injectedBehaviors != null) |
| | | 95 | | { |
| | | 96 | | // Only add IServiceBehavior from DI if concrete type not already added |
| | | 97 | | // TODO: Add logging to state when an injected behavior has been skipped |
| | 2486 | 98 | | foreach(var behavior in injectedBehaviors) |
| | | 99 | | { |
| | 660 | 100 | | if (!serviceDescription.Behaviors.Contains(behavior.GetType())) |
| | | 101 | | { |
| | 658 | 102 | | serviceDescription.Behaviors.Add(behavior); |
| | | 103 | | } |
| | | 104 | | } |
| | | 105 | | } |
| | | 106 | | |
| | 587 | 107 | | ServiceBehaviorAttribute serviceBehavior = EnsureBehaviorAttribute(serviceDescription); |
| | | 108 | | |
| | 587 | 109 | | if (serviceBehavior.Name != null) |
| | | 110 | | { |
| | 0 | 111 | | serviceDescription.Name = new XmlName(serviceBehavior.Name).EncodedName; |
| | | 112 | | } |
| | | 113 | | |
| | 587 | 114 | | if (serviceBehavior.Namespace != null) |
| | | 115 | | { |
| | 0 | 116 | | serviceDescription.Namespace = serviceBehavior.Namespace; |
| | | 117 | | } |
| | | 118 | | |
| | 587 | 119 | | if (string.IsNullOrEmpty(serviceBehavior.ConfigurationName)) |
| | | 120 | | { |
| | 587 | 121 | | serviceDescription.ConfigurationName = typeof(TService).FullName; |
| | | 122 | | } |
| | | 123 | | else |
| | | 124 | | { |
| | 0 | 125 | | serviceDescription.ConfigurationName = serviceBehavior.ConfigurationName; |
| | | 126 | | } |
| | 0 | 127 | | } |
| | | 128 | | |
| | | 129 | | public static ServiceDescription GetService<TService>() where TService : class |
| | | 130 | | { |
| | | 131 | | // TODO: Make ServiceDescription generic? |
| | 0 | 132 | | var description = new ServiceDescription |
| | 0 | 133 | | { |
| | 0 | 134 | | ServiceType = typeof(TService) |
| | 0 | 135 | | }; |
| | | 136 | | |
| | 0 | 137 | | AddBehaviors<TService>(description); |
| | 0 | 138 | | SetupSingleton(description, (TService)null); |
| | 0 | 139 | | return description; |
| | | 140 | | } |
| | | 141 | | |
| | | 142 | | public static ServiceDescription GetService<TService>(TService serviceImplementation) where TService : class |
| | | 143 | | { |
| | 4 | 144 | | if (serviceImplementation == null) |
| | | 145 | | { |
| | 0 | 146 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(serviceImplementation)); |
| | | 147 | | } |
| | | 148 | | |
| | 4 | 149 | | ServiceDescription description = new ServiceDescription |
| | 4 | 150 | | { |
| | 4 | 151 | | // TODO: What if the concrete type is different that the generic type? |
| | 4 | 152 | | ServiceType = typeof(TService) //serviceImplementation.GetType(); |
| | 4 | 153 | | }; |
| | | 154 | | |
| | 4 | 155 | | if (serviceImplementation is IServiceBehavior behavior) |
| | | 156 | | { |
| | 0 | 157 | | description.Behaviors.Add(behavior); |
| | | 158 | | } |
| | | 159 | | |
| | 4 | 160 | | AddBehaviors<TService>(description); |
| | 4 | 161 | | SetupSingleton(description, serviceImplementation); |
| | 4 | 162 | | return description; |
| | | 163 | | } |
| | | 164 | | |
| | | 165 | | internal static TService CreateImplementation<TService>() where TService : class |
| | | 166 | | { |
| | 75 | 167 | | if (!InvokerUtil.HasDefaultConstructor(typeof(TService))) |
| | | 168 | | { |
| | 1 | 169 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException( |
| | 1 | 170 | | SR.Format(SR.SFxNoDefaultConstructor, typeof(TService).FullName))); |
| | | 171 | | } |
| | | 172 | | |
| | 74 | 173 | | return (TService)InvokerUtil.GenerateCreateInstanceDelegate(typeof(TService))(); |
| | | 174 | | } |
| | | 175 | | |
| | | 176 | | //internal static object CreateImplementation(Type serviceType) |
| | | 177 | | //{ |
| | | 178 | | // var constructors = serviceType.GetConstructors(TypeLoader.DefaultBindingFlags); |
| | | 179 | | // ConstructorInfo constructor = null; |
| | | 180 | | // foreach (var constr in constructors) |
| | | 181 | | // { |
| | | 182 | | // if (constr.GetParameters().Length == 0) |
| | | 183 | | // { |
| | | 184 | | // constructor = constr; |
| | | 185 | | // break; |
| | | 186 | | // } |
| | | 187 | | // } |
| | | 188 | | |
| | | 189 | | // if (constructor == null) |
| | | 190 | | // { |
| | | 191 | | // throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException( |
| | | 192 | | // SR.SFxNoDefaultConstructor)); |
| | | 193 | | // } |
| | | 194 | | |
| | | 195 | | // return constructor.Invoke(null, null); |
| | | 196 | | //} |
| | | 197 | | |
| | | 198 | | internal ServiceCredentials EnsureCredentials() |
| | | 199 | | { |
| | 17 | 200 | | ServiceCredentials c = Behaviors.Find<ServiceCredentials>(); |
| | | 201 | | |
| | 17 | 202 | | if (c == null) |
| | | 203 | | { |
| | 8 | 204 | | c = ServiceProvider?.GetRequiredService<ServiceCredentials>() ?? new ServiceCredentials(); |
| | 8 | 205 | | Behaviors.Add(c); |
| | | 206 | | } |
| | | 207 | | |
| | 17 | 208 | | return c; |
| | | 209 | | } |
| | | 210 | | |
| | | 211 | | private static ServiceBehaviorAttribute EnsureBehaviorAttribute(ServiceDescription description) |
| | | 212 | | { |
| | 591 | 213 | | ServiceBehaviorAttribute attr = description.Behaviors.Find<ServiceBehaviorAttribute>(); |
| | | 214 | | |
| | 591 | 215 | | if (attr == null) |
| | | 216 | | { |
| | 247 | 217 | | attr = new ServiceBehaviorAttribute(); |
| | 247 | 218 | | description.Behaviors.Insert(0, attr); |
| | | 219 | | } |
| | | 220 | | |
| | 591 | 221 | | return attr; |
| | | 222 | | } |
| | | 223 | | |
| | | 224 | | // This method ensures that the description object graph is structurally sound and that none |
| | | 225 | | // of the fundamental SFx framework assumptions have been violated. |
| | | 226 | | internal void EnsureInvariants() |
| | | 227 | | { |
| | 2434 | 228 | | for (int i = 0; i < Endpoints.Count; i++) |
| | | 229 | | { |
| | 641 | 230 | | ServiceEndpoint endpoint = Endpoints[i]; |
| | 641 | 231 | | if (endpoint == null) |
| | | 232 | | { |
| | 0 | 233 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.AChannelS |
| | | 234 | | } |
| | 641 | 235 | | endpoint.EnsureInvariants(); |
| | | 236 | | } |
| | 576 | 237 | | } |
| | | 238 | | |
| | | 239 | | private static void GetIServiceBehaviorAttributes(Type currentServiceType, KeyedByTypeCollection<IServiceBehavio |
| | | 240 | | { |
| | 3138 | 241 | | foreach (IServiceBehavior behaviorAttribute in ServiceReflector.GetCustomAttributes(currentServiceType, type |
| | | 242 | | { |
| | 340 | 243 | | behaviors.Add(behaviorAttribute); |
| | | 244 | | } |
| | 1229 | 245 | | } |
| | | 246 | | |
| | | 247 | | internal static void SetupSingleton<TService>(ServiceDescription serviceDescription, TService implementation) wh |
| | | 248 | | { |
| | 4 | 249 | | ServiceBehaviorAttribute serviceBehavior = EnsureBehaviorAttribute(serviceDescription); |
| | 4 | 250 | | if (serviceBehavior.InstanceContextMode == InstanceContextMode.Single) |
| | | 251 | | { |
| | 0 | 252 | | if (implementation == null) |
| | | 253 | | { |
| | | 254 | | // implementation will only be null if not provided using DI |
| | 0 | 255 | | implementation = CreateImplementation<TService>(); |
| | 0 | 256 | | serviceBehavior.SetHiddenSingleton(implementation); |
| | | 257 | | } |
| | | 258 | | else |
| | | 259 | | { |
| | 0 | 260 | | serviceBehavior.SetWellKnownSingleton(implementation); |
| | | 261 | | } |
| | | 262 | | } |
| | 4 | 263 | | } |
| | | 264 | | |
| | | 265 | | internal static void SetupSingleton<TService>(ServiceDescription serviceDescription, IServiceProvider services) |
| | | 266 | | { |
| | 583 | 267 | | ServiceBehaviorAttribute serviceBehavior = serviceDescription.Behaviors.Find<ServiceBehaviorAttribute>(); |
| | | 268 | | Debug.Assert(serviceBehavior != null, "EnsureServiceBehavior should have ensured the serviceBehavior"); |
| | | 269 | | |
| | 583 | 270 | | if (serviceBehavior.InstanceContextMode == InstanceContextMode.Single) |
| | | 271 | | { |
| | 80 | 272 | | TService implementation = services.GetService<TService>(); |
| | 80 | 273 | | if (implementation == null) |
| | | 274 | | { |
| | 73 | 275 | | implementation = CreateImplementation<TService>(); |
| | 72 | 276 | | serviceBehavior.SetHiddenSingleton(implementation); |
| | | 277 | | } |
| | | 278 | | else |
| | | 279 | | { |
| | 7 | 280 | | serviceBehavior.SetWellKnownSingleton(implementation); |
| | | 281 | | } |
| | | 282 | | } |
| | 510 | 283 | | } |
| | | 284 | | |
| | | 285 | | private class ReflectedContractCollection : KeyedCollection<Type, ContractDescription> |
| | | 286 | | { |
| | | 287 | | public ReflectedContractCollection() |
| | 0 | 288 | | : base(null, 4) |
| | | 289 | | { |
| | 0 | 290 | | } |
| | | 291 | | |
| | | 292 | | protected override Type GetKeyForItem(ContractDescription item) |
| | | 293 | | { |
| | 0 | 294 | | if (item == null) |
| | | 295 | | { |
| | 0 | 296 | | throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(item)); |
| | | 297 | | } |
| | | 298 | | |
| | 0 | 299 | | return item.ContractType; |
| | | 300 | | } |
| | | 301 | | |
| | | 302 | | public IDictionary<string, ContractDescription> ToImplementedContracts() |
| | | 303 | | { |
| | 0 | 304 | | Dictionary<string, ContractDescription> implementedContracts = new Dictionary<string, ContractDescriptio |
| | 0 | 305 | | foreach (ContractDescription contract in Items) |
| | | 306 | | { |
| | 0 | 307 | | implementedContracts.Add(GetConfigKey(contract), contract); |
| | | 308 | | } |
| | 0 | 309 | | return implementedContracts; |
| | | 310 | | } |
| | | 311 | | |
| | | 312 | | internal static string GetConfigKey(ContractDescription contract) |
| | | 313 | | { |
| | 0 | 314 | | return contract.ConfigurationName; |
| | | 315 | | } |
| | | 316 | | } |
| | | 317 | | } |
| | | 318 | | |
| | | 319 | | internal class ServiceDescription<TService> : ServiceDescription where TService : class |
| | | 320 | | { |
| | | 321 | | public ServiceDescription(IEnumerable<IServiceBehavior> injectedBehaviors, IServiceProvider services) |
| | | 322 | | { |
| | | 323 | | ServiceType = typeof(TService); |
| | | 324 | | ServiceProvider = services; |
| | | 325 | | // Clone IServiceBehavior DI services implementing ICloneable to allow per service override. |
| | | 326 | | var behaviors = injectedBehaviors.ToList(); |
| | | 327 | | |
| | | 328 | | if (services is IKeyedServiceProvider keyedServiceProvider) |
| | | 329 | | { |
| | | 330 | | behaviors.AddRange(keyedServiceProvider.GetKeyedServices<IServiceBehavior>(ServiceType)); |
| | | 331 | | } |
| | | 332 | | |
| | | 333 | | for (int i = 0; i < behaviors.Count; i++) |
| | | 334 | | { |
| | | 335 | | if(behaviors[i] is ICloneable cloneable) |
| | | 336 | | { |
| | | 337 | | behaviors[i] = (IServiceBehavior)cloneable.Clone(); |
| | | 338 | | } |
| | | 339 | | } |
| | | 340 | | |
| | | 341 | | AddBehaviors<TService>(this, behaviors); |
| | | 342 | | SetupSingleton<TService>(this, services); |
| | | 343 | | } |
| | | 344 | | } |
| | | 345 | | } |